Guide to Parts and Controls
Power Amplifier
Control Panel (Top Panel)
TURN-ON
INPUT MODE
CH 1-4
SUB CH
+
+
REMOTE SIGNAL
1-4
1
3/2
4
5
3+4
-
+
1
1
2
5+6
1
2
Ventilation outlet
Dissipates heat.
Depending on the temperature of the amplifier,
the fan operates in one of the three statuses:
stopped, low-speed, high-speed.
Heat sink cover
The direction of the heat sink cover can be
changed according to your preference (page 9).
Status indicator light
Lights up in white during operation.
If the protection circuit activates, the status
indicator light changes from white to red. For
details, see "Troubleshooting" (page 18).
TURN-ON
INPUT MODE
LINE OUT MODE
FILTER
CH 1-4
SUB CH
+
+
REMOTE SIGNAL
1-4
1
3/2
4
5
3+4
THRU
ALL
OFF
BP
-
+
1
1
2
5+6
1
2
STEREO
HP LP
CH 1
L
CH 1/2
LINE OUT MODE
FILTER
RANGE ( Hz)
HPF ( Hz)
150
1.5k
50
500
THRU
ALL
OFF
BP
50-
500-
5k
500
5k
STEREO
HP LP
500
BRIDGED
CH 1
CH 2
L
R
CH 1/2
CH 3/4
RANGE ( Hz)
HPF ( Hz)
LPF ( Hz)
INPUT SENS
FILTER
RANGE ( Hz)
HPF ( Hz)
LPF ( Hz)
INPUT SENS
SUBSONIC FILTER (Hz)
150
1.5k
150
1.5k
150
1.5k
150
1.5k
50-
500-
50
500
50
500
OFF
BP
50-
500-
50
500
50
500
OFF
ON
500
5k
500
5k
500
5k
500
5k
500
5k
500
5k
HP LP
BRIDGED
BRIDGED
CH 2
CH 3
CH 4
SUB CH
R
L
R
CH 3/4
LPF ( Hz)
INPUT SENS
FILTER
RANGE ( Hz)
HPF ( Hz)
150
1.5k
150
50
500
50
OFF
BP
50-
500-
500
5k
5k
500
HP LP
500
BRIDGED
CH 3
CH 4
L
R
TURN-ON switch
Selects the turn-on mode of the amplifier.
• "REMOTE": Select this for remote turn-on
mode. The amplifier turns on when a turn-on
signal is received from the REMOTE terminal.
See "REMOTE terminal" (page 11) for details.
• "SIGNAL": Select this for high-level sensing
turn-on mode. The amplifier turns on when a
turn-on signal is received from the INPUT
connector. This feature is only available for
high-level (speaker level) input connection.
See "REMOTE terminal" (page 11) for details.
SUB CH
LPF (Hz)
INPUT SENS
30
150
5
50
OFF
ON
50
500
+
12 V
REMOTE
GROUND
LPF ( Hz)
INPUT SENS
SUBSONIC FILTER (Hz)
1.5k
150
1.5k
30
500
50
500
OFF
ON
5
50
5k
500
5k
SUB CH
SUB CH
LPF (Hz)
INPUT SENS
150
OFF
ON
50
500
+
12 V
REMOTE
GROUND
5
GB